Home / 1,403,044.38-2,103,385.59-561,136.86

Finding the Fourth Proportional to 1,403,044.38, 2,103,385.59 and 561,136.86

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Solution

The fourth proportional to 1,403,044.38, 2,103,385.59 and 561,136.86 is: 841,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,044.38 : 2,103,385.59 = 561,136.86 : x
  2. Step 2: Convert to fraction form
    1,403,044.38/2,103,385.59 = 561,136.86/x
  3. Step 3: Cross multiply
    1,403,044.38x = 2,103,385.59 × 561,136.86
  4. Step 4: Simplify right side
    1,403,044.38x = 1,180,287,185,341.85
  5. Step 5: Solve for x
    x = 1,180,287,185,341.85/1,403,044.38
  6. Step 6: Final answer
    x = 841,232.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.